145345188

Names of 145345188

• Cardinal: 145345188 can be written as One hundred forty-five million, three hundred forty-five thousand, one hundred eighty-eight.

Scientific notation

• Scientific notation: 1.45345188 × 10⁸

Factors of 145345188

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 275

Divisors of 145345188

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 12 23 46 61 69 89 92 97 122 138 178 183 194 244 267 276 291 356 366 388 534 582 732 1068 1164 1403 2047 2231 2806 4094 4209 4462 5429 5612 5917 6141 6693 8188 8418 8633 8924 10858 11834 12282 13386 16287 16836 17266 17751 21716 23668 24564 25899 26772 32574 34532 35502 51798 65148 71004 103596 124867 136091 198559 249734 272182 374601 397118 408273 499468 526613 544364 595677 749202 794236 816546 1053226 1191354 1498404 1579839 1633092 2106452 2382708 3159678 6319356 12112099 24224198 36336297 48448396 72672594 145345188
• Sum of all divisors σ(n): 367476480
• Sum of proper divisors (its aliquot sum) s(n): 222131292
• 145345188 is an abundant number, because the sum of its proper divisors (222131292) is greater than itself. Its abundance is 76786104

Bases of 145345188

• Binary: 1000101010011100101010100100₂
• Hexadecimal: 0x8A9CAA4
• Base-36: 2EJ92C

Squares and roots of 145345188

• 145345188 squared (145345188²) is 21125223674755344
• 145345188 cubed (145345188³) is 3070449606549366327684672
• The square root of 145345188 is 12055.9192100809
• The cube root of 145345188 is 525.7753477857

Scales and comparisons

• 145,345,188 seconds is equal to 4 years, 32 weeks, 2 days, 5 hours, 39 minutes, 48 seconds.
• To count from 1 to 145,345,188 would take you about six years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 145345188 cubic inches would be around 43.8 feet tall.

Recreational maths with 145345188

• 145345188 backwards is 881543541
• The number of decimal digits it has is: 9
• The sum of 145345188's digits is 39
• More coming soon!